| org.apache.commons.scxml.Context
All known Subclasses: org.apache.commons.scxml.env.SimpleContext,
| Context | | public interface Context (Code) | | A Context or "scope" for storing variables; usually tied to
a SCXML root or State object.
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| Method Summary | |
| Object | get(String name)
Get the value of this variable; delegating to parent. | | Context | getParent()
Get the parent Context, may be null. | | Map | getVars()
Get the Map of all variables in this Context. | | boolean | has(String name)
Check if this variable exists, delegating to parent. | | void | reset()
Clear this Context. | | void | set(String name, Object value)
Assigns a new value to an existing variable or creates a new one. | | void | setLocal(String name, Object value)
Assigns a new value to an existing variable or creates a new one. |
| get | | Object get(String name)(Code) | | Get the value of this variable; delegating to parent.
Parameters:
name - The name of the variable The value (or null) |
| getParent | | Context getParent()(Code) | | Get the parent Context, may be null.
The parent Context in a chained Context environment |
| getVars | | Map getVars()(Code) | | Get the Map of all variables in this Context.
Local variable entries MapTo get variables in parent Context, call getParent().getVars().
See Also: Context.getParent() |
| has | | boolean has(String name)(Code) | | Check if this variable exists, delegating to parent.
Parameters:
name - The name of the variable Whether a variable with the name exists in this Context |
| reset | | void reset()(Code) | | Clear this Context.
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| set | | void set(String name, Object value)(Code) | | Assigns a new value to an existing variable or creates a new one.
The method searches the chain of parent Contexts for variable
existence.
Parameters:
name - The variable name
Parameters:
value - The variable value |
| setLocal | | void setLocal(String name, Object value)(Code) | | Assigns a new value to an existing variable or creates a new one.
The method allows to shaddow a variable of the same name up the
Context chain.
Parameters:
name - The variable name
Parameters:
value - The variable value |
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